1639 50 | x | ÷ | 4463 100 | − | 2231 50 | × | 2231 50 | × | 21834889 20 | ÷ | x | ÷ | x | ÷ | 1639 50 | ÷ | 1639 50 | = | - | 49 |
方程两边同时乘以: | x |
1639 50 | x | ÷ | 4463 100 | × | x | − | 2231 50 | × | 2231 50 | × | 21834889 20 | ÷ | x | ÷ | 1639 50 | ÷ | 1639 50 | = | - | 49 | x |
方程两边同时乘以: | x |
1639 50 | x | ÷ | 4463 100 | × | x | x | − | 2231 50 | × | 2231 50 | × | 21834889 20 | ÷ | 1639 50 | ÷ | 1639 50 | = | - | 49 | x | x |